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PRISONS

Fireworks are the No1 Fire Suppression company for the Custodial Sector.

Fireworks have been installing high pressure watermist fire suppression systems
for the custodial sector since 2009. With over 150 installations in prisons and
custodial suites to date we are the leading installer throughout the UK,.

HM Prison Service commissioned a set of tests to determine the effectiveness of the
traditional hose reels which, to date, had been installed in prisons across England
and Wales. It was during these tests that it was observed that the conventional hose
reels did not effectively fight the fire and that smoke from the fire presented a greater
risk to both the cell occupants and rescuers than the fire itself.
The use of Conventional hose reels also created extensive water damage and
extended ‘turnaround time’ of the affected cell in some cases the cell below as well.

They then commissioned a number of companies including Fireworks to come
up with a more effective solution to replace this outdated and ineffective method.

Knowing that Watermist systems offer a far more efficient way of using water to
fight fires, Fireworks suggested this alternative product to replace their existing
hose reels across the establishment. It was considered an effective and reliable
alternative and kept the building works and costs down to a minimum and was
accepted by the Home Office as a potential viable replacement. HM Prison Service
asked Fireworks to participate in a series of evaluation trials to determine the
effectiveness of the Watermist systems. These were held at the world renowned
Buildings Research Establishment (BRE)in Watford.

The BRE test criteria established that the service required included:
“to maintain a tenable atmosphere for a period of 20 minutes when fire tested in
accordance with the specifications”

”discharge a relatively small amount of water”

”deliver a spray of water mist with sufficient momentum to discharge droplets to
theback wall of a cell”

The Inundation was to last for 5 minutes after pre-burn and operation of internal
cell fire detection systems, then a simulated ‘rescue’ of an inmate involving opening
the door for a set period of one minute would occur , followed by Re-closing the door
and waiting 10 minutes during which time the fire was not to resume.

In all tests the Hydramist® equipment:
● Successfully extinguished the fire at the first attempt.
● Dramatically reduced cell temperature, toxic gases & smoke to ‘tenable’ levels
● Ensured sufficient oxygen was available to sustain life throughout the cell.

Note: During the ‘rescue’ and ten minute waiting period after inundation that the
fire did not resume; temperatures & toxic gases in the cell continued to fall,
remaining well below levels that could be harmful to life.

Since successfully passing these tests Hydramist™ systems have become the
equipment of choice for the Custodial sector.